5306-00-947-4245
Find complete technical information, availability, and procurement data for: 5306-00-947-4245
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An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.
3a thread class, 0.651 inches minimum and 0.671 inches maximum thread length, right-hand thread direction, double hexagon w/hole head style, 0.750 inches nominal fastener length
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.651 inches minimum and 0.671 inches maximum
- Fastener Length
- 0.750 inches nominal
- Head Style
- double hexagon w/hole
- Head Height
- 0.330 inches nominal
- Width Between Flats
- 0.305 inches minimum and 0.313 inches maximum
- Extended Washer Diameter
- 0.438 inches nominal
- Extended Washer Thickness
- 0.060 inches minimum and 0.070 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 0.079 inches minimum and 0.099 inches maximum
- Features Provided
- finished head
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 130000 pounds per square inch
- Hardness Rating
- 42.0 rockwell c minimum and 46.0 rockwell c maximum overall
- Minimum Yield Strength
- 85000 pounds per square inch
- Surface Finish
- 32.0 microinches bearing surface of head
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- steel comp 601 overall
- Material Document And Classification
- ams 6304 assn std single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- ams 2416 assn std single treatment response overall
- Thread Series Designator
- unjf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5306-00-550-2690 | No Name Available | 07/01/1992 |
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FAQs
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